DescriptionThis item is a kind of creative Cup Warmer, made of durable silicone and electronic components. With attractive appearance, this item is a perfect accessory for you to enjoy your drinks both at home and in office. The coaster keeps your mug warm, so you can take your time and enjoy your cup of coffee, tea, hot cocoa and other hot beverages.Features- Color: Green. - Material: Silicone. - Size: 9.5x9.5x0.6cm - Made of durable silicone and electronic components. - Keep your mug of water, tea, coffee, milk or other beverage warm. - Cartoon figure printing of mug warmers, stylish and safe, meet your different needs. - It is also a good gift for your lover,family,friend and coworkers. - USB powered, no batteries required, easy to carry and take anywhere, easy installation no software required.